I: Introduction 1: Introduction 2: Advantages of Artificial Insemination 3: Disadvantages of Artificial Insemination 4: Conclusion 5: Historical Development and Present Use of Artificial Insemination 6: Introduction 7: Early History of the Technique 8: Decline in the Horse Population and Equine Research 9: Development of Techniques for Collection of Semen 10: Development of Techniques for Evaluation of Semen 11: Development of Techniques for Handling and Storage of Semen 12: Development of Techniques for Insemination of Semen 13: Present Use of Equine AI 14: Current Reasons for Using Equine AI 15: Conclusion 16: Stallion Reproductive Anatomy and Control 17: Introduction 18: Stallion Anatomy 19: Control of Stallion Reproduction 20: Conclusion 21: Production of Spermatozoa 22: Introduction 23: Seminal Plasma 24: Spermatozoa 25: Conclusion 26: Semen Collection 27: Introduction 28: The Artificial Vagina 29: The Condom 30: Preparation of the Stallion for Semen Collection 31: The Collecting Area 32: Sexual Stimulation of the Stallion and Encouragement to Ejaculate 33: Alternative Methods of Semen Collection 34: Collection Procedure 35: Frequency of Collection 36: Training the Stallion for Collection 37: Conclusion 38: Semen Evaluation 39: Introduction 40: Semen Evaluation as Part of an AI Programme 41: General Semen Handling 42: Gross Evaluation 43: Microscopic Evaluation 44: Functional Tests for Semen Evaluation 45: Sexing Spermatozoa 46: Conclusion 47: Semen Storage and Transportation 48: Introduction 49: Extenders 50: Fresh or Raw Semen 51: Chilled Semen 52: Cryopreservation of Semen 53: Conclusion 54: Mare Insemination 55: Introduction 56: Selection of Suitable Mares for Insemination 57: Preparation of the Mare for Insemination 58: Preparation of Semen for Insemination 59: Methods of Insemination 60: Factors Affecting the Success of AI 61: Conception Rates to AI 62: Conclusion II: Conclusion.